From Séchilienne
Minor departmental road
Col de Chamrousse — 1,800 m
Col de Chamrousse, 1,800 m, in Isère. Main climb: 18.2 km at 7.8% average, 1,417 m of climbing from Séchilienne.
At a glance
- Distance
- 18.2 km
- Elevation gain
- 1,417 m
- Average gradient
- 7.8 %
- Difficulty index
- 11.8 Very hard
Figures for the main climb (From Séchilienne). The other climbs are further down.
Location
- Department
- Isère
- Altitude
- 1,800 m
- Coordinates
- 45.11486, 5.87866
Map of the climbs
- From Séchilienne
- From Vaulnaveys-le-Bas
- From Saint-Martin-d'Uriage
Cycling ascents
| Main climb | Distance | Elevation gain | Elevation loss | Average gradient | Steepest 500 m | Difficulty index |
|---|---|---|---|---|---|---|
| From Séchilienne | 18.2 km | 1,417 m | — | 7.8 % | 13.1 % | 11.8 Very hard |
| From Vaulnaveys-le-Bas | 19.4 km | 1,450 m | — | 7.5 % | 12.9 % | 11.6 Very hard |
| From Saint-Martin-d'Uriage | 23.6 km | 1,380 m | 27 m | 5.9 % | 11.1 % | 8.6 Hard |
Scroll the table sideways to see every column.
- 10% and above
- 8 to 10%
- 6 to 8%
- 4 to 6%
- under 4%
From Vaulnaveys-le-Bas
Departmental road
From Saint-Martin-d'Uriage
Departmental road
3 ascents proposed here — other ways up this col remain possible.
Distances and elevation gains derived from the OpenStreetMap road network and a digital terrain model, measured on the very profile shown here.
Figures computed on 7 September 2026.
Cols nearby
- Col de Pressembois 570 m · 9 km
- Alpe d'Huez 1,860 m · 15 km
- Col de Palaquit 1,154 m · 20 km
- Col du Coq 1,434 m · 21 km
- Col de Porte 1,326 m · 21 km
- Col de Sarenne 1,999 m · 21 km
Straight-line distances, not road distances. The cols a climb actually rides over are listed above.
Frequently asked questions
How long is the climb to Col de Chamrousse?
The hardest climb of Col de Chamrousse, from Séchilienne, is 18.2 km long for 1,417 m of ascent, i.e. 7.8% average.
What is the steepest part of Col de Chamrousse?
The steepest 500 m sits at 13.1%, and the hardest kilometre is the 3th, at 11.5%.
Col de Chamrousse: add this col to your collection
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